| Ogulin to Oestrich-Winkel | 468.75 mi (754.37 km) |
| Ogulin to Offenburg | 409.02 mi (658.25 km) |
| Ogulin to Oftersheim | 420.57 mi (676.85 km) |
| Ogulin to Ohrdruf | 436.49 mi (702.46 km) |
| Ogulin to Ohringen | 381.87 mi (614.56 km) |
| Ogulin to Olbernhau | 383.18 mi (616.67 km) |
| Ogulin to Olching | 274.38 mi (441.56 km) |
| Ogulin to Oldenburg | 628.89 mi (1,012.10 km) |
| Ogulin to Oldenburg in Holstein | 653.17 mi (1,051.18 km) |
| Ogulin to Olfen | 571.62 mi (919.93 km) |
| Ogulin to Olpe | 522.89 mi (841.50 km) |
| Ogulin to Olsberg | 521.67 mi (839.55 km) |
| Ogulin to Oranienburg | 525.07 mi (845.01 km) |
| Ogulin to Ortenberg | 453.09 mi (729.17 km) |
| Ogulin to Oschatz | 428.04 mi (688.86 km) |
